2005 GMC ENVOY tow

{CAUTION:
It can be dangerous to get out of your vehicle if
the shift lever is not fully in PARK (P) with the
parking brake rmly set. Your vehicle can roll.
Do not leave your vehicle when the engine is
running unless you have to. If you have left the
engine running, the vehicle can move suddenly.
You or others could be injured. To be sure your
vehicle will not move, even when you are on
fairly level ground, always set your parking
brake and move the shift lever to PARK (P).
{CAUTION:
If you have four-wheel drive, your vehicle will
be free to roll — even if your shift lever is in
PARK (P) — if your transfer case is in
NEUTRAL. So be sure the transfer case is in a
drive gear — not in NEUTRAL. SeeFour-Wheel
Drive on page 2-26.
Follow the proper steps to be sure your vehicle will not
move. SeeShifting Into Park (P) on page 2-31.
If you are pulling a trailer, seeTowing a Trailer on
page 4-56.
2-35

Manual Rearview Mirror with
Compass and Temperature
The vehicle may have a manual rearview mirror with an
eight-point compass and temperature display located
in the upper right.
When cleaning the mirror, use a paper towel or similar
material dampened with glass cleaner. Do not spray
glass cleaner directly on the mirror as that may cause
the liquid cleaner to enter the mirror housing.
Mirror Operation
While sitting in a comfortable position, adjust the rearview
mirror so you can see clearly behind your vehicle. Grip it
in the center and move it up or down and side to side.
The day/night control, located at the bottom of the mirror,
adjusts the mirror to reduce headlamp glare from behind
during evening or dark conditions. Push the control for
daytime use; pull it for night use.
Temperature and Compass Display
O
(On/Off):Press this button to turn the compass and
temperature display on or off. The compass display,
can show a maximum of two characters. For example,
NE is displayed for north-east.
When the ignition and the compass/temperature feature
are on, character boxes will appear for about two
seconds. After two seconds, the mirror will display the
direction the vehicle is facing and the outside
temperature.
To set the temperature in Fahrenheit or Celsius,
do the following:
1. Press and hold the on/off button until either a
ashing F or C appears.
2. Press the button again to change the display to the
desired unit of measurement. After about four
seconds of inactivity, the new unit will be locked in
and the compass/temperature display will return.
2-41

Manual Rearview Mirror with
OnStar
®, Compass, and
Temperature Display
The vehicle may have a manual rearview mirror with
OnStar®and an eight-point compass and temperature
display located in the upper right.
Control buttons for the OnStar
®system are at the
bottom of the mirror. See your GM dealer for more
information about the OnStar
®system. Also, see
OnStar®System on page 2-47for more information
about the services OnStar®provides.
When cleaning the mirror, use a paper towel or similar
material dampened with glass cleaner. Do not spray
glass cleaner directly on the mirror as that may cause
the liquid cleaner to enter the mirror housing.
Mirror Operation
While sitting in a comfortable position, adjust the rearview
mirror so you can see clearly behind your vehicle. Grip it
in the center and move it up or down and side to side.
The day/night control, located at the bottom of the mirror,
adjusts the mirror to reduce headlamp glare from behind
during evening or dark conditions. Push the control for
daytime use; pull it for night use.
Temperature and Compass Display
O
(On/Off):Press this button to turn the compass and
temperature display on or off. The compass display,
can show a maximum of two characters. For example,
NE is displayed for north-east.
When the ignition and the compass/temperature feature
are on, character boxes will appear for about
two seconds. After two seconds, the mirror will display
the direction the vehicle is facing and the outside
temperature.
To set the temperature in Fahrenheit or Celsius,
do the following:
1. Press and hold the on/off button until either a
ashing F or C appears.
2. Press the button again to change the display to the
desired unit of measurement. After about
four seconds of inactivity, the new unit will be
locked in and the compass/temperature display
will return.
2-43

2. Press and hold the on/off button until a zone
number appears in the display.3. Once a zone number appears in the display, press
the on/off button quickly until the correct zone
number appears in the display. If C appears in the
compass window, the compass may need
calibration. See “Compass Calibration”
explained previously.
Outside Manual Mirrors
If the vehicle has the manual outside mirrors, adjust
each outside mirror so that a little of the vehicle and the
area behind it can be seen while sitting in a comfortable,
driving position.
Both mirrors can be manually folded inward by pulling
them towards the vehicle. Push the mirrors away
from the vehicle, to the normal position, before driving.
2-45

Storage Areas
Glove Box
Open the glove box by pulling the side of the handle
towards the driverside.
Overhead Console
Your vehicle may have this feature. The overhead
console may include a reading lamps, HomeLink®
transmitter and a sunroof switch. SeeSunroof on
page 2-60andHomeLink®Transmitter on page 2-49
for more information.
If your vehicle has a third row seat, and has a power
operated rear quarter glass, the switches for operating
the rear quarter glass are also located in the overhead
console. These switches allow the driver to open
and close each third row seat window separately.
)(Driver’s Quarter Glass):Press button downward
to open or upward to close the drivers side (left)
quarter glass for the third row seat.
((Passenger’s Quarter Glass):Press button
downward to open or upward to close the passengers
side (right) quarter glass for the third row seat.
Center Console Storage Area
If your vehicle has this console compartment, squeeze
the front lever while lifting the top to open it.
Your vehicle’s console will be equipped with cupholders
located on the front and rear of the storage compartment.
The console may also contain one or more of the
following components:
Rear Seat Audio Controls
Rear Seat Accessory Power Outlets
Rear Climate Control
If your vehicle has the center armrest compartment, lift
the cover by pulling up on the latch handle located
underneath the front edge of the armrest. The storage
area includes slots for cassettes or compact discs.
2-54

Rear Floor Storage Lid
{CAUTION:
If any removable convenience item is not
secured properly, it can move around in a
collision or sudden stop. People in the vehicle
could be injured. Be sure to secure any such
item properly.
Your vehicle has a rear cargo area with a removable
storage lid.
To remove the rear oor storage lid, do the following:
1. Press the latch release and lift up the latch handle.
2. Raise the lid slightly to unhook it.
3. Pull the lid toward you to release it from the forward
mounting tabs.
To reinstall the rear oor storage lid, reverse the
previous steps. Make sure the lid is secure by applying
slight pressure to the latch until you hear it click.
Convenience Net
Your vehicle may have this feature. A convenience net
in the rear of your vehicle helps keep small items in
place during sharp turns or quick stops and starts. The
net is not designed to retain these items during
off-road use. The net is not for larger, heavier items.
To use the convenience net, do the following:
1. Attach the upper loops to the retainers on both
sides of the liftgate opening. The label should be
in the upper passenger’s side corner, visible
from the rear of the vehicle.
2. Attach the lower hooks to the rear cargo tie downs
on the oor.
2-58

Hazard Warning Flashers
Your hazard warning ashers let you warn others. They
also let police know you have a problem. Your front
and rear turn signal lamps will ash on and off.
The hazard warning
asher button is located
on top of the
steering column.
Your hazard warning ashers work no matter what
position your key is in, and even if the key is not
in the ignition.
Press the button to make the front and rear turn signal
lamps ash on and off. Press the button again to
turn the ashers off.
When the hazard warning ashers are on, your turn
signals will not work.
Other Warning Devices
If you carry reective triangles, you can set them up at
the side of the road about 300 feet (100 m) behind
your vehicle.
Horn
To sound the horn, press the horn symbols on
the steering wheel pad.
Tilt Wheel
You should adjust the
steering wheel before you
drive. The tilt lever is
located to the left of the
steering column, under the
turn signal lever.
You can raise it to the highest level to give your legs
more room when you enter and exit the vehicle.
To tilt the wheel, hold the steering wheel and pull the
lever toward you. Move the steering wheel to a
comfortable level, then release the lever to lock the
wheel in place.
3-6

If a bulb is burned out, replace it to help avoid an
accident. If the arrows don’t go on at all when you signal
a turn, check the fuse. SeeFuses and Circuit Breakers
on page 5-97and check for burned-out bulbs.
If you have a trailer towing option with added wiring for
the trailer lamps, a different turn signal asher is
used. With this asher installed, the signal indicator will
ash even if a turn signal bulb is burned out. Check
the front and rear turn signal lamps regularly to make
sure they are working.
Turn Signal On Chime
If your turn signal is left on for more than 3/4 of a mile
(1.2 km), a chime will sound at each ash of the
turn signal. To turn off the chime, move the turn signal
lever to the off position.
Headlamp High/Low-Beam Changer
To change the headlamps from low to high beam,
push the lever toward the instrument panel. To return to
low-beam headlamps, pull the multifunction lever
toward you. Then release it.When the high beams are
on, this indicator light on
the instrument panel
cluster will also be on.
Flash-to-Pass
This feature lets you use your high-beam headlamps
to signal a driver in front of you that you want to pass.
It works even if your headlamps are in the
automatic position.
To use it, pull the turn signal lever toward you, then
release it.
If your headlamps are in the automatic position or on low
beam, your high-beam headlamps will turn on. They’ll
stay on as long as you hold the lever toward you. The
high-beam indicator on the instrument panel cluster will
come on. Release the lever to return to normal operation.
3-8